On Thu, Apr 24, 2014 at 1:15 PM, Rustom Mody <rustompmody@gmail.com> wrote:

Any possibilities on making the commented out parts work?

Unary operators are not really doable. Take a look at the ugliness around unary minus for why. (Note in particular how it breaks section syntax.)

Nullary operators are even less doable; Set.null must be done with an identifier character, not a symbol character. (There are a number of such that would fit, since it is actually used in some languages.)

brandon s allbery kf8nh sine nomine associates

allbery.b@gmail.com ballbery@sinenomine.net

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